baber/WOPTO huggingface dataset:
Patent KR-20180100459-A (KR)
Title: 고속 스위치 고장 전류 제한기 및 전류 제한기 시스템
Inventor: TEKLETSADIK KASEGN D
IPC: H02H9/02
Filed: 2014-08-19
Abstract: 전압 제어 리액터(VCR) 및 고속 스위치 고장 전류 제한기(FSFCL)를 포함하는 고장 전류 제한기 회로는 정상 상태 동작 동안 부하 전류를 전도시키고, 부하 전류가 고장 전류 제한들을 초과할 때 부하 전류를 제한하도록 동작한다. FSFCL은, 전기적 차단기 접촉부들을 갖는 차단기, 전기적 차단기 접촉부들에 전기적으로 결합된 코일, 전기적 차단기 접촉부들에 기계적으로 결합된 플런저, 병렬 전압 제어 리액터(VCR), 과도 과전압 제어 회로(transient overvoltage control circuit; TOCC)를 포함할 수 있으며, 여기에서 코일을 통해 문턱 레벨보다 더 큰 전류가 흐를 때, 플런저를 움직이기 위한 강도를 갖는 자기장이 생성되며, 플런저의 움직임은 차단기 내의 접촉부들을 개방하도록 동작하며, 고장 전류를 VCR 및 TOCC로 전달하고, 전체 시스템 고장 전류를 제한한다.
Patent KR-20180109081-A (KR)
Title: 충격 성능이 개선된 용융 폴리카보네이트
Inventor: DEL AGUA HERNANDEZ DAVID
IPC: C08G64/30
Filed: 2017-02-22
Abstract: 본 개시내용은 용융 폴리카보네이트 성분 및 계면 폴리카보네이트 성분을 포함하는 조성물로부터 형성된 물품에 관한 것이다. 수득한 물품은 종래의 용융 중합 방법에 따라 제조된 폴리카보네이트로부터 형성된 물품에 대한 기계적 특성 개선을 나타낸다.
Patent KR-20180122345-A (KR)
Title: 에폭시 화합물을 함유하는 폴리케톤 조성물, 폴리케톤 경화물, 광학 소자 및 화상 표시 장치
Inventor: MATSUTANI HIROSHI
IPC: C08K5/1515
Filed: 2017-03-01
Abstract: 폴리케톤 조성물은, (A) 하기 일반식 (Ⅰ)로 표시되는 구조 단위를 주쇄에 포함하는 폴리케톤, 및 (B) 에폭시 화합물을 함유한다. 일반식 (Ⅰ) 중, X는 치환기를 갖고 있어도 좋은 탄소수 1∼50의 2가의 기를 나타내고, Y는 치환기를 갖고 있어도 좋은 탄소수 1∼30의 2가의 탄화수소기를 나타내며, n은 1∼1500의 정수를 나타낸다.
Patent KR-20180112030-A (KR)
Title: 성막 마스크, 그 제조 방법 및 성막 마스크의 리페어 방법
Inventor: KUDO SHUJI
IPC: C23C14/24
Filed: 2017-03-23
Abstract: 본 발명은 복수의 개구 패턴(7)을 형성한 필름층(4) 위에, 적어도 하나의 상기 개구 패턴(7)을 내포하는 복수의 관통공(8)을 형성한 메탈층(5)을 적층하는 동시에, 한 면을 복수의 상기 개구 패턴(7) 및 관통공(8)이 내재하는 복수의 단위 셀(6)로 구획한 마스크 시트(1)와, 외적인 텐션이 없는 상태의 상기 마스크 시트(1)의 상기 메탈층(5)에 접합하여 이를 지지하고, 상기 마스크 시트(1)의 상기 단위 셀(6)에 대응시켜 개구부(10)를 가진 금속제의 서포트 부재(2)를 구비한 것이다. 이것에 의하여 박막 패턴의 성막에 높은 형상 정밀도 및 위치 정밀도를 확보한다.
Patent KR-20180133409-A (KR)
Title: 리프트 카로부터 사람을 대피시키기 위한 장치
Inventor: MEIER DANIEL
IPC: B66B5/02
Filed: 2017-04-06
Abstract: 리프트 카 (5.1, 5.2) 로부터 사람을 대피시키기 위한 장치가 개시되고, 이 장치는 리프트 카 (5.1, 5.2) 내의 대피 통로의 하부 단부를 규정하는 트레드 요소 (46), 및 제 1 단부를 포함하는 보도 (55) 를 포함하고, 보도 (55) 는 제 1 단부에 의해 트레드 요소 (46) 상에 고정, 바람직하게는 걸릴 수 있고, 장치는 트레드 요소 (46) 위에서 부착될 수 있는 적어도 하나의 가로대 (47.0, 48.0, 49.0) 를 포함하고, 가로대 (47.0, 48.0, 49.0) 는 단차로서 설계/사용되고, 보도 (55) 의 제 1 단부는 트레드 요소 (46) 상이 아닌 가로대 (47.0, 48.0, 49.0) 상에 택일적으로 고정, 바람직하게는 걸릴 수 있고, 또한 상기 장치를 포함하는 리프트 시스템 및 리프트 카 (5.1, 5.2) 로부터 사람을 대피시키기 위한 방법이 개시된다.
Patent KR-20180138209-A (KR)
Title: 마찰 조정제 캐리어를 갖는 습식 마찰 재료
Inventor: BAKAN MURAT
IPC: F16D69/00
Filed: 2017-04-10
Abstract: 클러치 패드를 위한 마찰 재료이며, 복수의 섬유; 및 충전제 재료를 포함하고, 충전제 재료는 충전제의 총 중량을 기준으로 0.1 중량% 이상 그리고 100 중량% 이하의 실리카 부화 캐리어 입자를 포함하고, 실리카 부화 캐리어 입자는 0.1 ㎛ 이상 그리고 50 ㎛ 이하의 중위 입자 크기; 및 0.1 이상 그리고 10 ㎛ 이하의 중위 공극 직경을 갖는다.
Patent KR-20180135006-A (KR)
Title: 이리듐 화합물 및 해당 이리듐 화합물을 사용한 이리듐 착체의 제조 방법
Inventor: KONNO HIDEO
IPC: C07F15/00
Filed: 2017-06-16
Abstract: 본 발명은, 시클로메탈화 이리듐 착체를 제조하기 위한 원료 화합물로서 유용한 이리듐 화합물이며, 하기의 일반식 (1)로 표시되는 이리듐 화합물이다.  본 발명은, 시클로메탈화 이리듐 착체 중에서도, 특히, 이미다졸계 시클로메탈화 이리듐 착체의 원료 화합물로서 유용하다. 
   
(일반식 (1) 중, Ir은 이리듐 원자를 나타내고, O는 산소 원자를 나타내고, X는 할로겐 원자를 나타내고, Y는 카운터 양이온을 나타낸다.  R 1 과 R 2 는 각각 독립적으로, 탄소수 1 이상 10 이하의 알킬기를 나타낸다.  단, R 1 과 R 2  중 어느 한쪽만이 분지 알킬기이다.)
Patent KR-20190003688-A (KR)
Title: 리튬 배터리를 열 처리하는 방법
Inventor: LECUYER MARGAUD
IPC: H01M10/0565
Filed: 2017-06-07
Abstract: 리튬 배터리의 열 처리 방법 
본 발명은, 리튬-금속-중합체 배터리 및 리튬 이온 중합체 배터리 중에서 선택된 리튬 배터리의 내부 임피던스를 감소시키는 방법에 관한 것이다. 상기 방법은 상기 배터리를 적어도 50℃의 온도(T1)로 상승시키는 것으로 구성된 적어도 하나의 제1 단계, 및 적어도 0.5 바아의 압력을 가하면서 상기 배터리를 상기 온도(T1)에서 5 시간 내지 1 주일 동안 유지하는 적어도 하나의 제2 단계를 포함한다.
Patent KR-20190029519-A (KR)
Title: 알루미늄 합금 선재, 알루미늄 합금 연선, 피복 전선 및 와이어 하네스
Inventor: YOSHIDA SHO
IPC: C22C21/02
Filed: 2017-06-19
Abstract: 본 발명은, 높은 도전율과 적당한 저내력을 확보하면서, 높은 신장과 적당한 인장 강도의 쌍방을 실현할 수 있는 알루미늄 합금 선재 등을 제공한다. 
본 발명의 알루미늄 합금 선재는, Mg : 0.10 ∼ 1.00 질량％, Si : 0.10 ∼ 1.20 질량％, Fe : 0.10 ∼ 1.40 질량％, Ti : 0 ∼ 0.10 질량％, B : 0 ∼ 0.030 질량％, Cu : 0 ∼ 1.00 질량％, Mn : 0 ∼ 1.00 질량％, Cr : 0 ∼ 1.00 질량％, Zr : 0 ∼ 0.50 질량％, Ni : 0 ∼ 0.50 질량％ 그리고 잔부 : Al 및 0.30 질량％ 이하의 불순물로 이루어지고, 선재를 길이 방향으로 절단했을 때의 종단면 조직 중에 조대 결정립이 존재하고, 조대 결정립은, 상기 선재의 길이 방향으로 측정했을 때의 입경의 최대치가, 상기 선재의 직경 이상이며, 또한 상기 종단면 조직에 있어서의 측정 범위 중의 모든 결정립 면적 중, 상기 조대 결정립이 차지하는 면적률이 50 ％ 이상이고, 상기 선재의 신장이 10 ％ 이상이다.
Patent KR-20190003841-A (KR)
Title: 폼 및 섬유 복합재
Inventor: ZHANG JUN G
IPC: A61F13/53
Filed: 2016-09-09
Abstract: 폼 및 섬유 복합재는, 흡수 용품에 개선된 건조도 및 개선된 액체 분배 능력을 제공할 수 있다. 폼 및 섬유 복합재는 적어도 두 가지 물질로 형성될 수 있다. 제1 물질은 개방 셀 폼 물질이고 제2 물질은 섬유상 물질이다. 섬유상 물질을 형성하는 복수의 섬유가 개방 셀 폼 물질로 유체가 삽입될 수 있고 그로써 폼 및 섬유 복합재가 형성된다. 다양한 실시예에서, 폼 및 섬유 복합재는 흡수 용품의 상면시트층과 배면시트층 사이에 위치한 흡수 시스템의 구성요소로서 흡수 용품에 통합될 수 있다.
Patent KR-20200086438-A (KR)
Title: Rovingness Non-destructive testing device for airplane
Inventor: LEE CHUL HEE
IPC: B64F5/60
Filed: 2019-01-09
Abstract: The present invention relates to a movable non-destructive testing apparatus for an aircraft, which includes: a testing part installed on an upper side of the movable non-destructive testing apparatus for an aircraft to test the aircraft in a non-destructive manner; a height adjusting part formed to be connected to the testing part to adjust a height of the movable non-destructive testing apparatus for an aircraft; and a moving part installed on a lower side of the movable non-destructive testing apparatus for an aircraft to move the movable non-destructive testing apparatus for an aircraft, thereby exactly aiming a test portion to test the same without disassembling the aircraft. Also, the movable non-destructive testing apparatus for an aircraft can be controlled at a long range by using a control part, thereby preventing a user from being exposed to ultrasonic waves or radioactive rays generated by performing a test in test equipment to be safely used.
Patent KR-20200089951-A (KR)
Title: Electronic apparatus and method for controlling thereof
Inventor: KIM SANG WON
IPC: G09G5/12
Filed: 2019-01-18
Abstract: Provided is an electronic device. The electronic device includes: an interface connected to a modular display device including a plurality of display modules; and a processor which scales an image received from an external device based on a resolution of the modular display device, rescales the scaled image based on a resolution selected according to a user input, and transmits the rescaled image to the modular display device through the interface, wherein the plurality of display modules are divided into a plurality of groups, the interface includes a plurality of ports connected to the plurality of groups, the processor determines at least one group based on a position in which the rescaled image is to be displayed among the plurality of groups, and the scaled image is divided into a plurality of images based on the determined group and the divided rescaled image is transmitted to the determined group through at least one port connected to the determined group among the plurality of ports.
Patent KR-20200093232-A (KR)
Inventor: LEE KWANG SOO
IPC: B60B27/00
Filed: 2019-01-28
Abstract: The present invention provides a device for protecting a wheel speed sensor and an encoder for a vehicle, which allows vanes to generate an air vortex when a drive shaft rotates by forming a plurality of vanes in the outer diameter of the rear end of the drive shaft, thereby removing foreign matter accumulating on the encoder and the wheel speed sensor around the encoder, or preventing foreign matter from accumulating.
Patent KR-20200093283-A (KR)
Inventor: RO HAKSEUNG
IPC: G01B21/00
Filed: 2019-01-28
Abstract: The present invention relates to a method for measuring rack position information using a stacker crane, which attaches a sensor to the stacker crane and moves the stacker crane to measure a horizontal coordinate value of a vertical frame and a vertical coordinate value of a horizontal frame with respect to a plurality of racks, thereby setting horizontal and vertical positions with respect to the plurality of racks through the measured coordinate values and quickly and exactly measuring the position information with respect to the plurality of racks in an automated manner by using the stacker crane without handwork of a worker.
Patent KR-20200093940-A (KR)
Title: Display
Inventor: LEE JAE HOON
IPC: G09G3/32
Filed: 2019-01-29
Abstract: Embodiments of the present invention discloses a data driving circuit and a display device including the same. The display device according to one embodiment of the present invention includes: a pixel portion including pixels; and a data driving portion converting n-bit first image data into m-bit (a natural number of m> n) second image data and generating a data signal based on a gamma voltage corresponding to the second image data to output the first image data to the pixel, thereby simply adjusting brightness using the gamma voltage.
Patent KR-20200093984-A (KR)
Title: Forced Dehumidification Method after Forced Power-Off of Multifunctional Storage System and Recovery System using thereof
Inventor: LEE KYUNG SU
IPC: D06F58/22
Filed: 2019-01-29
Abstract: The present invention provides a forced dehumidification method after forced termination of a multifunctional storage system, which can prevent a problem of bad smells or bacteria propagation in a storage room. The multifunctional storage system comprises: a storage room (100); a machine room (200) operated in a specific mode; a memory unit (410) to receive and store information on the specific mode if the specific mode is terminated; and a control unit (430) to control the machine room (200) to be operated in the specific mode. The forced dehumidification method after forced termination of the multifunctional storage system comprises: (a) a step (S110) in which the information on the specific mode is stored in the memory unit (410) if the specific mode is terminated; (b) a step (S120) in which the multifunctional storage system is forcibly terminated; (c) a step (S130) in which the information on the specific mode stored in the memory unit (410) is transmitted to the control unit (430) during a normal operation after forced termination of the multifunctional storage system; (d) a step (S140) in which the information on the specific mode is used to control forced dehumidification of the storage room (100) to be performed by the control unit (430) if determined as forced termination during an operation of one among preset modes; and (e) a step (S150) in which the machine room (200) is operated to forcibly dehumidify the storage room (100) by the control unit (430).
Patent KR-20190014049-A (KR)
Inventor: LEE DONG YONG
IPC: H01L33/62
Filed: 2019-01-30
Abstract: The present invention relates to a light emitting device package, in which a plurality of light emitting devices are disposed in a plurality of cavities in parallel to each other, so that variability of the respective light emitting devices can be effectively detected. The light emitting device package according to the embodiment includes: a body; a first lead frame having a first cavity in the body; a second lead frame having a second cavity in the body; a first bonding part protruding into a region between a first lateral side of the body and the first cavity from the first lead frame; a second bonding part protruding into a region between a second lateral side, which is opposite to the first lateral side of the body, and the second cavity from the second lead frame; a first LED in the first cavity; a second LED in the second cavity; a third lead frame separated from the first and second lead frames and disposed between the first lateral side of the body and the first cavity; a fourth lead frame separated from the first and second lead frames and disposed between the second lateral side of the body and the second cavity; a first protective device mounted on one of the third lead frame and the first bonding part; and a second protective device mounted on one of the fourth lead frame and the second bonding part.
Patent KR-20200095604-A (KR)
Inventor: LEE SANG DAE
IPC: H04W76/19
Filed: 2019-01-31
Abstract: The present invention relates to a data recovering method according to a wireless communication connection between a wearable device and a smartphone. According to the present invention, the data recovering method comprises the steps of: storing, by the wearable device, measured data when the wireless communication connection with the smartphone is released; and transmitting, by the wearable device, the stored data to the smartphone when the wireless communication connection with the smartphone is re-established after the wireless communication connection with the smartphone has been released.
Patent KR-20200095010-A (KR)
Inventor: BYUN EU JOON
IPC: G06F13/20
Filed: 2019-01-31
Abstract: The present technology provides a memory system including a memory device including a nonvolatile memory cell and a controller generating map information for mapping a physical address of data in the memory device in response to a logical address transmitted from a host. The controller transmits at least some of the map information to the host and then stores logs or history for the transmitted map information. During initial operation, the map information transmitted based on the logs or history can be transmitted to the host.
Patent KR-20200095074-A (KR)
Inventor: HWANG BEOM SOO
IPC: H01L21/67
Filed: 2019-01-31
Abstract: The present invention relates to a gas supply device to which gas containers can be automatically connected. The gas supply device according to an embodiment of the present invention includes: a mount unit installed in an inner space of a case; an automatic fastening unit connected to the mount unit; a gas container coupling unit disposed adjacent to the automatic fastening unit; and a control unit connected to the automatic fastening unit.
Patent KR-20200095105-A (KR)
Inventor: KIM YONG HYUN
IPC: C08K7/20
Filed: 2019-01-31
Abstract: The present invention relates to a thermally fused coating composition for road marking with improved visibility in rainy weather, and more specifically, to a thermally fused coating composition for road marking, which lowers the surface energy of a coating film to improve water repellency by introducing a material of a specific component in the thermally fused coating composition and exhibits excellent visibility in rainy weather.
Patent KR-20200095246-A (KR)
Title: Continuous process and equipment of uv irradiation treatment for amygdalin reduction of maesil chung and liquer
Inventor: SON BYUNG HEE
IPC: A23L21/12
Filed: 2019-01-31
Abstract: The present invention relates to a device and a method for continuous ultraviolet irradiation treatment for amygdalin reduction in plum extract or plum wine. The device includes: a supply unit provided with a pump for flow rate-adjusted plum extract or plum wine supply; an irradiation treatment unit provided with at least one sealed container and a submerged ultraviolet C (UV-C) lamp installed in the container; and a discharge unit for filtration and discharge of the plum extract or plum wine. The plum extract or plum wine is supplied to the irradiation treatment unit by the supply unit, and then the plum extract or plum wine passes through the irradiation treatment unit and amygdalin reduction occurs by ultraviolet irradiation treatment. Then, impurities are removed and discharge is performed through the discharge unit. According to the present invention, the submerged UV-C lamp is installed in the sealed container through which the fermented and filtered plum extract or plum wine passes. Accordingly, when the lamp is turned on, the amygdalin generated during preparation can be continuously decomposed. In addition, after the plum extract or plum wine is supplied to the irradiation treatment unit by the supply unit, ultraviolet irradiation treatment by the irradiation treatment unit is performed during temporary stagnation or passage. The removal of impurities through the discharge unit is continuously performed. Accordingly, mass production is possible. In addition, the submerged UV-C lamp is connected based on serial, parallel, or serial-parallel multi-container combination. Accordingly, the installation space efficiency is improved and mass production is possible even at small-scale and medium-scale processing companies.
Patent KR-20200095951-A (KR)
Inventor: LIM HEE CHUL
IPC: G06N3/08
Filed: 2019-02-01
Abstract: Disclosed are an artificial intelligence system and a training model search method. The training model search method of the artificial intelligence system comprises the following steps of: receiving, by an operator included in a first node, a first channel; deriving, by the operator included in the first node, a first parameter weight index corresponding to the weight of a first parameter by calculating the first parameter corresponding to each of first channels inputted and the input first channel; generating and outputting a second channel group by combining the first channel and other channels; receiving, by an operator included in a second node, a second channel included in the second channel group; and deriving, by the operator included in the second node, a second parameter weight index corresponding to the weight of a second parameter by calculating the second parameter corresponding to the input second channel and the input second channel.
Patent KR-20200098154-A (KR)
Title: Structure for Prevention of Pin Malfunction in Camshaft shift type Variable Valve Device
Inventor: CHOI BYONG YOUNG
IPC: F01L1/047
Filed: 2019-02-12
Abstract: The present invention relates to a structure for preventing a pin malfunction of a camshaft movable variable valve device. According to the present invention, the structure for preventing a pin malfunction of a camshaft movable variable valve device comprises: a camshaft; at least two cam forming units; a valve opening/closing device operated by any one of at least two cams; a first operating unit disposed on an outer circumferential surface of the camshaft; a first solenoid; a second operating unit; a second solenoid; a third operating unit; a fourth operating unit; and a pin operating unit. According to the present invention, malfunctions of the pin operating unit can be prevented.
Patent KR-20200102231-A (KR)
Inventor: IM SEOK YEON
IPC: C10L1/32
Filed: 2019-02-21
Abstract: The present invention relates to an emulsion manufacturing apparatus capable of irradiating multi direction ultrasonic waves. The emulsion manufacturing apparatus capable of irradiating multi direction ultrasonic waves according to the present invention includes: a raw material feeder to which raw materials are supplied; a functional water feeder to which functional water is supplied; a mixing chamber in which the raw material and the functional water are introduced and mixed at a predetermined ratio; a first ultrasonic vibrator installed in a fixed position in the mixing chamber to project ultrasonic waves onto the mixture in the mixing chamber; a second ultrasonic vibrator installed in a movable position in the mixing chamber to project ultrasonic waves onto the mixture in the mixing chamber while moving up and down according to the volume of the mixture in the mixing chamber; a driving unit for vertically moving the second ultrasonic vibrator according to the volume of the mixture in the mixing chamber; and an ultrasonic controller for controlling the first ultrasonic vibrator and the second ultrasonic vibrator. Thus, the apparatus improves the mixing efficiency of the emulsion, promotes emulsification and reduces the time for preparing the emulsion.
Patent KR-20200107131-A (KR)
Inventor: LEE KU HYUNG
IPC: C09D127/18
Filed: 2019-03-06
Abstract: The present invention relates to a flame retardant paint and a manufacturing method thereof and, more specifically, to a flame retardant paint which minimizes effects on the appearance and processability of a coating film coated with the paint by mixing a copolymer of ethene and tetrafluoroethene, a brominated flame retardant and a flame retardant adjuvant, and further improves flame retardancy, and to a manufacturing method thereof.
Patent KR-20190031455-A (KR)
Inventor: RAMDANI JAMAL
IPC: H01L29/66
Filed: 2019-03-13
Abstract: A heterostructure semiconductor device includes a first active layer and a second active layer disposed on the first active layer. A two-dimensional electron gas layer is formed between the first and second active layers. An AlSiN passivation layer is disposed on the second active layer. First and second ohmic contacts electrically connect to the second active layer. The first and second ohmic contacts are laterally spaced-apart, with a gate being disposed between the first and second ohmic contacts.
Patent KR-20190031219-A (KR)
Title: Back light unit and display device using the same
Inventor: NAM JE HYEON
IPC: F21V8/00
Filed: 2019-03-14
Abstract: The present invention provides a display device capable of being manufactured in a slim structure. The display device comprises: a light guide plate which includes a light incidence unit receiving light, wherein the light incidence unit is configured with a groove formed in a first direction at the center of a lower surface; and a light source unit which is arranged to be inclined at a certain angle and is partially inserted into the groove so as to emit the light toward both sides which are perpendicular to the first direction.
Patent KR-20190110481-A (KR)
Title: Enclosure for a gas turbine engine
Inventor: JOHNSON RANDY RAY
IPC: F01D25/14
Filed: 2019-03-20
Abstract: The present invention provides an engine enclosure (100) for containing a gas turbine engine (10). According to an embodiment of the present invention, the engine enclosure (100) improves noise and thermal attenuation, reduces the weight of the enclosure (100), and provides an access point (126) which is more accessible to an internal volume (120) of the engine enclosure (100).
Patent KR-20200083118-A (KR)
Title: Display apparatus
Inventor: YOUNGYOON YOU
IPC: H05K5/03
Filed: 2019-04-19
Abstract: According to the present invention, provided is a display device of a new structure capable of increasing sound quality. The display device comprises: a rear surface cover disposed on a rear surface of a display module; and first and second vibration generation modules disposed on each of first and second rear surface regions of the rear surface cover. The rear surface cover can include: a first hole overlapping the first vibration generation module; and a second hole overlapping the second vibration generation module.
Patent KR-20200002601-A (KR)
Title: Method and apparatus for thermoelectric cooling
Inventor: CHANG NAEHYUCK
IPC: B60L58/26
Filed: 2019-05-20
Abstract: Disclosed is a method of battery cell tap cooling and active temperature balancing control using a thermoelectric cooling device. The thermoelectric cooling method according to an embodiment of the present invention comprises the following steps: estimating a temperature of at least one battery cell included in a plurality of battery cells stacked on each other; estimating a temperature of a refrigerant passing through a section corresponding to a position of the battery cell in a heat sink having a cooling channel through which the refrigerant passes; and controlling a temperature of the battery cell by controlling thermoelectric cooling current based on the temperature of the battery cell and the temperature of the refrigerant.